Complete the identity.
= ?
A. 2 cos (2?)
B. -2 cos (6?) sin (2?)
C. - sin (2?)
D. 2 cos (6?) cos (2?)
Answer: C
Mathematics
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Determine whether the graph is the graph of a function.
A. Not a function B. Function
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Find the sum of the first n terms of the geometric sequence for the values of a1 and r.n = 4, a1 = 34, r = 3
A. 1360 B. 884 C. 918 D. 442
Mathematics
Provide an appropriate response.Graph the expression 
on your calculator. Determine what constant or single circular function is equivalent to the given expression.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the system of equations by graphing.
?
What will be an ideal response?
Mathematics